4. Letter writing Gothic letters ins.ppt

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1. ENGINEERING GRAPHICS
Topic:
Letter Writing

2. Letter Writing

3. Letter Writing
 Thewritteninformationonthedrawingsshouldbelegible,
neatinappearanceandcorrectinstyle.
 So,allwritteninformationonthedrawingisalwaysinthe
formofletteringandnotinhandwriting.
 Letterwritingisanartofwritingtextonadrawingby
usingalphabets,numeralsandsymbols.

4. Typesofletterwriting—
(1)Singlestroke.
(2)Doublestroke.
Letter Writing

5. Gothic Letters
 Singlestrokelettersarelegible,neatinappearanceand
correctinstyle,thereforetheyareuniversallyusedfor
engineeringdrawings.
 Lettershavingallstrokesofuniformthickness/heightare
classifiedasGothic.
 Thestyleoftheletter,whenthethicknessofthestrokesis
suchthatitcanbemadewithasinglestrokeofpencil,is
calledSingleStrokeGothic.

6. Gothic Letters
Singlestrokeverticalletters:
Lettersaredesignatedbytheirheight.
Theratioofheighttowidthforsinglestrokeverticalgothicletters
isgivenbelow.
SR. HEIGHTTO WIDTH RATIOLETTER/NUMERAL
1. 7:5 All letters except I,J, L, M, W
2. 7:4 All numeralsexcept 1
3. 7:1 I
4. 7:3 1
5. 7:4 L &J
6. 7:6 M
7. 7:8 W

9. Gothic Letters

10. Gothic Letters

11. Gothic Letters

12. Gothic Letters

13. Gothic Letters

14. Gothic Letters

15. Gothic Letters

16. Gothic Letters

17. Gothic Letters

18. Gothic Letters

19. Gothic Letters

20. Gothic Letters

21. Gothic Letters

22. Gothic Letters

23. Gothic Letters

24. Gothic Letters

25. Gothic Letters

26. Gothic Letters

27. Gothic Letters

28. Gothic Letters

29. Gothic Letters

30. Gothic Letters

31. Gothic Letters

32. Gothic Letters

33. Gothic Letters

34. Gothic Letters

37. Gothic Letters

38. Gothic Letters

39. Gothic Letters

40. Gothic Letters

41. Gothic Letters

42. Gothic Letters

43. Gothic Letters

44. Gothic Letters

45. Gothic Letters

46. Gothic Letters

49. 1.Theheightofallthelettersinonelineshouldbethesame.
2.Thegapbetweentwolettersinawordshouldbe2mm.
3.Wordsshouldbespacedoneletterwidthapartand
distancebetweentwolinesisequaltoheightofoneletter.
4.TheyshouldappearuprightfromBottomEdge,except
whentheyareusedfordimensioning.
5.Round-offthesharpcornerswherevernecessary,e.g.,D,P,
S,etc.
6.Lettersandnumeralsaredesignatedbytheirheights.
Rules of Letter Writing

51. Thanks